🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.44 AU - 0.72 AU

Year: 285 Days

Day: 19.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,470,599 km

• M1: 28,872 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.1

Radius: 11

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.61 AU - 0.77 AU

Year: 370 Days

Day: 5.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 24,470,599 km

• M1: 136,732 km (0.104 R)
• M2: 759,508 km (0.039 R)
• M3: 1,132,007 km (0.071 R)
• M4: 1,890,767 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.2

Radius: 10.9

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.8 AU - 1.04 AU

Year: 570 Days

Day: 5.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,470,599 km

• M1: 135,835 km (0.078 R)
• M2: 570,417 km (0.115 R)
• M3: 936,931 km (0.102 R)
• M4: 1,524,851 km (0.085 R)
• M5: 1,865,485 km (0.089 R)
• M6: 2,247,858 km (0.091 R)
• M7: 3,415,469 km (0.111 R)
• M8: 4,037,647 km (0.117 R)
• M9: 4,399,374 km (0.115 R)
• M10: 5,188,802 km (0.084 R)
• M11: 5,897,597 km (0.113 R)
• M12: 6,305,401 km (0.075 R)
• M13: 6,711,110 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.3

Radius: 10.7

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.28 AU - 1.88 AU

Year: 1282 Days

Day: 8.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 24,470,599 km

• M1: 133,142 km (0.037 R)
• M2: 473,477 km (0.101 R)
• M3: 1,004,550 km (0.119 R)
• M4: 1,710,951 km (0.081 R)
• M5: 2,282,116 km (0.062 R)
• M6: 2,839,218 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.2

Radius: 8.5

Gravity: 12.67 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.8 AU - 2.96 AU

Year: 3156 Days

Day: 13.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,470,599 km

• M1: 106,364 km (0.109 R)
• M2: 402,119 km (0.111 R)
• M3: 756,965 km (0.076 R)
• M4: 1,834,519 km (0.09 R)
• M5: 2,385,637 km (0.095 R)
• M6: 2,750,058 km (0.105 R)
• M7: 3,453,168 km (0.085 R)
• M8: 3,963,596 km (0.109 R)
• M9: 4,737,765 km (0.112 R)
• M10: 5,186,409 km (0.118 R)
• M11: 6,858,913 km (0.119 R)
• M12: 8,144,706 km (0.094 R)
• M13: 8,534,708 km (0.083 R)
• M14: 9,199,820 km (0.105 R)
• M15: 10,343,646 km (0.06 R)
• M16: 12,487,233 km (0.115 R)
• M17: 13,102,230 km (0.067 R)
• M18: 13,539,654 km (0.087 R)
• M19: 16,260,989 km (0.101 R)
• M20: 16,880,025 km (0.098 R)
• M21: 20,732,769 km (0.106 R)
• M22: 23,461,584 km (0.106 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 16,894 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit